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CVE-2021-46755

HIGH CVSS: 7.5 Published: 2023-05-09 Modified: 2026-06-17

Description

Failure to unmap certain SysHub mappings in error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious bootloader to exhaust the SysHub resources resulting in a potential denial of service.

Affected Platforms

Amd Ryzen 5600Amd Ryzen 3500X FirmwareAmd Ryzen 3600X FirmwareAmd Ryzen 3900X FirmwareAmd Ryzen 3900Xt FirmwareAmd Ryzen 3900Amd Ryzen 5700GAmd Ryzen 5900XAmd Ryzen 5600GAmd Ryzen 5950X Firmware

Weakness Type

NVD-CWE-noinfo

References